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KV331 Audio was founded in 2012 by a dedicated team of engineers, musicians, and sound designers with the sole purpose of providing high-quality virtual instruments for musicians globally. Its flagship soft synth, SynthMaster, has over 24,000 licensed users in over 110 countries and received numerous awards from prestigious music technology publications around the world; while walking away from MusicTech Magazine's 2016 Gear Of The Year awards as a Gold Award Winner in the 'Best Software Instrument/Sample Library' category, MusicRadar readers recently ranked it number one in their '50 best VST/AU plugin synths in the world today' survey.

Products by KV331 Audio

Latest reviews of KV331 Audio products

SynthMaster One
Reviewed By digitalboytn
December 9th, 2022

Bulent has a passion for making great synths and it really shows in his work...

SynthMaster 2 is an indispensable workhorse for me after many years of use...

Recently, I started adding SM One to the mix and I'm embarassed that it has been sitting idle for so long, because this synth sounds great...

It has a lot of the goodness of SM 2 in a stripped down format but it is still very powerful, with each section having plenty of options...

The oscillators can load single cycle or WT, and it has two sub oscillators for AM, FM and PM etc...

The filters, modulation and effects sections are all very good and it's easy to program this synth because it's laid out so logically ..

One of the things I like about Bulent's synths is that you can save the modules as presets which makes it a dream to assemble your own programs out of the individual presets...

The best part about SM One is the sound and just like SM 2, it sounds beautiful...

Put all of the elements together and it can be anything you want - from analog to digital...

Some peeps tend to look down at the KV331synths and think that because of their lower price point, that they must be inferior to many of the other synths available...

But make no mistake...

SM One and SM 2 are killer synths that are as good as anything out there and the're easy to program and sound great...

And that folks, is the bottom line...

4.5 Stars for SM One and a gazillion stars for SM 2.

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SynthMaster Player
Reviewed By neeg2000
August 3rd, 2022

Very easy to use. It has a lot of presets and almost of them are useful.

If you don't have any synth, get this.

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SynthMaster One
Reviewed By kevingriffin
July 23rd, 2022

Dear Potential Buyer,

The KV331 Audio Synthmaster One is a terrific synth with a lot of exemplary features and tremendous sound that gives your composition that right evolutionary style.



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SynthMaster One
Reviewed By inception8a
July 11th, 2022

A great all around one page wavetable synth with an easily accessible and well laid out interface that has a alot of capabilities to produce common and uncommon sounds.

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SynthMaster One
Reviewed By patrice19
July 9th, 2022

très bon synthé virtuel : de bonnes basses, de bons leads et de bon Pads.

très complet et facile à paramétrer.

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SynthMaster Player for iOS
Reviewed By yeskeys
July 3rd, 2022

I could give five stars --- but, in the iOS version, I cannot get SM to sync to MIDI clock. I know I'm sending MIDI clock to my interface - I've tried a couple - but cannot get them to sync and percolate together. What am I missing?

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SynthMaster 2
Reviewed By Faydit
April 27th, 2022

One of the best sounding and most flexible synthesizer plugins, which I know.

Almost too many features, but of course you do not need to use them all, alone the existing presets sound very good. I've also bought some more vintage based expansions, which also up to now did not disappoint me.

More than fair price for the quality and features.

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SynthMaster 2
Reviewed By vata44
November 3rd, 2021

I absolutely love this synth. I am always drawn to it when looking for a sound or to design a sound. I love the layout, sound, and flexibility. It is quite deep. It allows .WAV file imports, but the only thing is it missing imo is a rompler library with a real Piano and Strings. I know this isn't the aim of the product so I am not disappointed, but if they added this in the future it might be the only thing I ever used.

I think the effects section is great as well, the only thing I would hope for is a ValhallaShimmer-esque reverb.

I like that you can use the Synth as an FX unit as well, but it would be helpful if they had a different GUI for the FX only version. I understand that would probably be a tremendous amount of work, but it would really set it apart and make the FX version less cluttered and more usable.

If you want to buy a virtual synth, I would put this HIGH on my list. I own Diva, Zebra, Lush 101, Korg, and the whole NI suite, but I always come back to Synthmaster and Synthmaster One.

Response from kv331 from KV331 Audio on November 4th, 2021

Hi there, thank you very much for encouraging words! Don't forget to download our latest v2.9.10 update, it has a serious usability improvements, critical bug fixes, and new content (factory presets and skins), and it is the most stable version to date.

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Timeline of Latest Product Changes [view all]

Latest News from KV331 Audio

Latest Videos from KV331 Audio

Latest Forum Posts in the KV331 Audio forum @ KVR

Synthmaster One iOS Midi Mapping Export Issue.
by multicube at 31 May 2023, 04:41
Synthmaster 3
by moonchunk at 26 May 2023, 22:58
Organizing User Banks & Presets
by Tentype at 23 May 2023, 04:26
Synthmaster One iOS Unlock
by Trensharo at 18 May 2023, 17:46
Exporting a bank in latest synthmater
by Touch The Universe at 12 May 2023, 09:43
SynthMaster 2.9.10 released
by twal at 7 May 2023, 16:41
by Tentype at 6 May 2023, 01:48
How to reach our support
by Gercek_KV331 at 26 Apr 2023, 02:27
Problems of glued notes
by Vanlug at 25 Apr 2023, 10:23
SynthMaster 3 development updates
by Touch The Universe at 24 Apr 2023, 09:51
Synthmaster One Scales (Global/Preset)
by whiteroom0330 at 20 Apr 2023, 04:20
Synthmaster Pack 5000 is comming this weekend!!!
by VELLTONE MUSIC at 13 Apr 2023, 11:44
Synthmaster 2 iOS Midi Log
by multicube at 11 Apr 2023, 06:57
SM2 Online Presets Not Loading
by lb_kv331 at 10 Apr 2023, 05:47
Problems about academic purchase
by Gercek_KV331 at 10 Apr 2023, 03:47